There can be various reasons for a generic 403 Forbidden page with nginx, the most common being permission or directory index issues, but also possibly x permissions on parent folders.
However, if you only see a blank page with "Access denied" on it, it doesn't have to do with the default 403 Forbidden error, nginx or file permissions.
After upgrading or modifying your OpenCart installation, you may encounter a blank screen either in front office or in the administration area.
There are various causes for this issue in OpenCart. Here I'll describe 3 of the most common ones and how to fix them.
Using network resources when developing an Android application is fairly easy with the java.net package, but there are a few things to consider, especially when deploying to Android 3.0+ system versions (including Ice Cream Sandwich).
Developing and debugging OpenCart is usually easier and takes less time than with bigger e-commerce platforms. However, there are cases when using a plain web browser and a text editor is not enough. One of these cases is JavaScript SyntaxError, occasionally encountered in OpenCart.
Fortunately, there are some great free tools to assist you in debugging and fixing this kind of errors in OpenCart.
We're happy to announce a new major version of our Question&Answer [FAQ] extension for OpenCart. Version 2 now supports multiple languages, translatable email templates and much more!